LAUDA Measuring Instruments Brochure

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LAUDA Measuring Instruments Viscometer, Tensiometer Analysis of oils, polymers and plastics

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  • LAUDA Measuring InstrumentsViscometer, Tensiometer

    Analysis of oils, polymers and plastics

  • Standards p. 64 Material properties p. 65 Glossary p. 66

    The glass capillary viscometers serve to determine the level of kinematic viscosity. They come in versions such as Ubbelohde, Micro-Ubbelohde, Micro-Ostwald, and Cannon-Fenske.

    The iVisc is a fully automatic and compact viscometer with an excellent price-performance ratio for viscosity levels between 0.3 and 30,000 mm/s.

    The modular setup of the automatic PVS viscometer with modern Windows software can be optimally adapted to any application. The VRM cleaning modules enable the fully automatic cleaning and drying of the glass capillary viscometers. The VAS viscosity auto-samplers offer the maximum convenience of automation with high sample throughput.The sample preparation systems with high-quality balances, dosing systems and magnetic stirrers enable the exact manufacture of polymer solutions via direct PC control.

    Proline thermostats of the PV and PVL series are specially optimized for viscometry. The PV thermostats are particularly suited to high-temperature applications of up to 230 C. High-quality insulated PVL thermostats can be used in applications as low as -60 C.

    Offering a good-value alternative in the temperature range up to 105 C are the visco- thermostats, which come optionally with transparent baths of the ET series or stainless steel baths with insulated glass panes of the Viscotemp series. With the new Viscocool thermostat integrated Peltier elements replace cooling water and additional coolers.

    LAUDA Measuring Instruments Overview

    StandardsMaterial propertiesGlossary

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    Applications - Lubricants, oils and fuelsLubricants and fuels

    Insulating oilsOil production Oil transport Waxes, resins, silicone, and polyols

    Viscothermostats Proline

    Viscocool and Viscotemp

    Viscometers Glass capillary viscometers

    iVisc

    PVS VRM

    VAS

    Sample preparation

    Applications - Polymers Technical polymers Transparent polymers Polyolefins PolyvinylchlorideMedicinal polymers

    Cellulose and papers

    The TD tensiometers are used to measure the surface and interfacial tensions according to the ring/plate method. The LAUDA TD 1 C is the cost effective starting point to tensiometry. For fully automatic measurement with advanced options, using the LAUDA TD 3 is preferred.

    Tensiometer TD

    TVT The TVT 2 tensiometer broadens usage in tensiometry when it comes to determining the dynamic surface and interfacial tensions according to the drop volume method.

    Viscosity number of polyamides (PA) and polybutylene terephthalates (PBT)Viscosity number and IV value of polyesters (PC, PMMA, PET) Molar mass and IV value of polypropylene and polyethylene (UHMWPE) Determining K-value according to Fickentscher (PVC) Molar mass and IV value of hyaluronic acid products and absorbable polymers according to pharmaceutical standards Degree of polymerization of insulation paper using solution viscosity

    Viscosity index and kinematic viscosities of SAE/ISO motor oils at application temperaturesLow-temperature behavior (paraffin formation) of motor oils, diesel and kerosene

    Kinematic viscosity and interfacial tension of transformer oils

    Recovery rate in tertiary oil production with surface active substances

    Pumpability of crude oils

    Absolute, kinematic and dynamic viscosities of highly viscous liquids and their temperature dependency

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    ISO 307, DIN 53727, ASTM D789, ISO 1628-1, ISO 1628-5, DIN 53728-2, ASTM D4603ISO 1628-1, ISO 1628-4, DIN 7744-2, ISO 1628-6ISO 1628-1, ISO 1628-3, DIN 53728-3, ASTM D1601ISO 1628-1, ISO 1628-2, DIN 53726ISO 1628-1, international pharmacopoeiasDIN 54 270-2, IEC 60450, ASTM D4243

    EN 14210, EN 14370, ASTM D971, ISO 304, ISO 4311, ASTM D1331, ISO 6295, ISO 1409

    ISO 9101, ASTM D2285

    ISO 3105, ISO 3104, DIN 51562, DIN 53012, DIN 53014, ASTM D445, ASTM D446, BS188

    ASTM D2270, ISO 2909, DIN 51 563, ASTM D445

    VDE 0370

    ASTM D445, DIN 51562

    ASTM D445, DIN 51562

    ASTM D1655, ASTM D2532

    -100 C -50 C -0 C 50 C 100 C 150 C 200 C 250 C

  • Specialized in plastics and oils The focus of the measuring instruments business unit is the applications used down the entire value added chain from crude oil to plastics. LAUDA measuring instruments are optimized for determining the viscosity of crude oils, fuels and lubricants as well as for examining rinsing solutions in crude oil production and for quality assurance of fuels and oils.

    Proverbial quality For almost 60 years now, LAUDA has been developing, engineering and producing high-class measuring instruments and constant temperature equipment of outstanding quality. From the start, the owners and directors promised to deliver the highest quality standards to their clients, busi-ness partners and to the global scientific community. The guarantee of user-friendliness, optimum functionality and high safety standards has always been the full attention and concentration of all LAUDA employees - which, now more than ever, produces what has become the proverbial LAUDA longevity and durability.

    Everything from a single source LAUDA provides all of the components needed for viscosity measurement from a single source in accordance with ASTM D 445: Viscothermostats, automatic viscosity measuring systems, glass capillary viscometers, software and sample preparation. The modules can be quickly and easily customized to meet client requirements. High production depth enables the highest degree of flexibility.

    Reliable service LAUDA equipment is known for its robustness and durability. However, should you ever need sup-port - usually after many years of installation - we are there for you: as a LAUDA customer, you have access to comprehensive services, ensuring greater flexibility and profitability. One thing is certain: LAUDA service will not let you down.

    First class support internationally The LAUDA team at our headquarters and in the international subsidiaries and agencies, the professionally and comprehensively trained sales representatives, and the staff of the specialist laboratory facilities provide friendly, fair and competent advice. Together with our clients, LAUDA helps application experts to configure application-specific systems while taking international stan-dards into account.

    Modularity and automation To measure the viscosity values and surface/interfacial tensions of technical plastics, biopolymers as well as of lubricants, oils and fuels, LAUDA measuring instruments are the right solution. Since the components are modular, it is possible to put together a suitable system configuration for research and development, production and quality assurance. The measuring systems degree of automation can be adapted to the tasks and the scope of the sample concentration.

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    Advantages

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    Company

    With more than 380 employees, more than EUR 65 million in an-nual turnover and eight foreign subsidiaries, LAUDA is the global leader in the manufacture of innovative thermostatic equipment and systems for science, application technology and production, as well as for high-quality measuring devices. With more than 50 years of experience and a unique product portfolio ranging from compact laboratory thermostats to industrial circulation chillers to customized heating and cooling system projects with more than 400 kilowatts of cooling power, LAUDA is the only company that can guarantee optimized temperature throughout the entire value-added chain for its 10,000 plus customers worldwide.

    Quality products from LAUDA keep temperatures constant to an impressive 5 thousandth C or make targeted changes in an area spanning -150 to 400 C. Through active cooling or warming, pro-duction processes are accelerated or, indeed, made possible in the first place. In such cases, LAUDA, for example, replaces the uneconomical mains-water cooling with environmentally friendly and cost-efficient devices or, alternatively, uses existing forms of primary energy such as thermal discharge. LAUDA measuring in-struments determine the surface tension, tension limit and viscosity of liquids precisely.

    As a highly specialized niche provider, LAUDA ranks either first or second in almost all future-oriented sectors. In the semi-conductor industry, all the renowned manufacturers and suppliers place their trust in LAUDA thermostats and heating and cooling systems. LAUDA quality products also enable both the research and mass production of vital medicines. In the growing medical technolo-gy market, circulation chillers made by LAUDA cool patients and guarantee safe open-heart surgery. LAUDA industrial circulation chillers provide reliable and cost effective cooling for printing ma-chines, injection moulding plants and laser processing machines. Further principle applications include material inspection, biotech-nology and the cooling of laboratory instruments and machines. LAUDA thermostats are, naturally, also used in the measuring in-struments manufactured by us. For example, in order to determine the viscosity of aviation fuel under real conditions at 10,000-meter altitude, the sample is cooled in the laboratory down to -60 C.

    Through numerous innovations and ongoing investment, LAUDA is sustainably improving its excellent market position and is growing both in the main European market as well as overseas.

    LAUDA The right temperature worldwide

    Family Company with Tradition1956 Dr. Rudolf Wobser founds the MESSGE-

    RTE-WERK LAUDA Dr. R. Wobser KG in Lauda in the region of Baden.

    1964 Birth of the heating and cooling systems for industrial thermostating tasks. Three years later: development of the first ten-siometers and film balances.

    1977 After the death of the father, Dr. Rudolf Wobser, Dr. Gerhard Wobser and his brother Karlheinz Wobser take over the management as partners with unlimited liability.

    1982 Launch of the worlds first mass-pro- duced thermostats using microproces-sor technology. Proportional cooling and external control are further sensational inventions.

    1989 As part of the expansion of the range of products, the MESSGERTE-WERK LAUDA is renamed LAUDA DR. R. WOBSER GMBH & CO. KG.

    1994 The first circulation chillers of the WK class put an economical end to the wasteful use of precious drinking water as a coolant. A new generation of com-pact thermostats is introduced. The high quality of all LAUDA products is con- firmed upon certification according to DIN ISO 9001.

    2003 Karlheinz Wobser retires. Dr. Gunther Wobser, part of the company since 1997, is appointed managing partner.

    2005 On 1st January, the founding of LAUDA France heralds the start of a new age of internationalisation. This first compa-ny outside Germany supports the local agencies with customer advice and care.

    2006 On 1st March, LAUDA celebrates the 50th anniversary of the company. Two months later, LAUDA founds subsidiary LAUDA Wostok in Russia another milestone in the interna- tionalization of the company.

    2008 LAUDA consistently continues the global expansion strategy with the founding of subsidiaries LAUDA America Latina C.A., LAUDA China Co., Ltd. and LAUDA-Brinkmann, LP. USA. With the new production hall plus office building and an investment volume of around 3 million Euro, the heating and cooling systems busi-ness unit gains space for additional growth.

    2009 At ACHEMA, LAUDA presents an equipment showcase. All of the staff from the six foreign LAUDA subsi-diaries meet for the first time at the LAUDA World Meeting

    2010 In March, after more than 32 years, Dr. Gerhard Wobser retires from his function as Managing Director. His son, Dr. Gunther Wobser, as-sumes his responsibilities.

    2011 With the founding of the Spanish subsidiary LAUDA Ultracool S.L., LAUDA broadens the product range with industrial process circulation chil-lers from the Ultracool brand.

    2012 Foundation of subsidiary LAUDA Technology Ltd. in Birmingham, United Kingdom

    LAUDA, Ultra-Kryomat, Kryomat, LAUDA Vario pump and iVisc are registered trademarks of the LAUDA DR. R. WOBSER GMBH & CO. KG

    Karlheinz Wobser Dr. Gerhard WobserCompany founder Dr. Rudolf Wobser

    Managing Director Dr. Gunther Wobser

  • The greatest precision and longevity:LAUDA glass capillary viscometers

    Glass capillary viscometers are available in various models which differ in their areas of application, levels of accuracy and operation. Made from borosilicate glass (boro 3.3), these are available now at LAUDA in versions such as Ubbelohde, Cannon-Fenske, Micro-Ostwald, and in special models. Alongside the excellent chemical resi-stance, the new viscometers distinguish themselves from the rest thanks to a very small heat expansion coeffici-ent, a very high temperature fluctuation resistance, and high mechanical strength. For highly precise, automatic measurements, the Ubbelohde version with suspended ball level is preferred, among other reasons because of its independence of the flow time from the precise sample volume.

    To keep measuring times in the optimum range between approx. 60 and 600 seconds, various capillary diameters are offered for different viscosity ranges. The method, particularly with automatic LAUDA measuring technology and precise temperature control using LAUDA viscother-mostats, is unrivalled in the precision for measuring liquids with nearly Newtonian (ideal) flow behavior.

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    Fully automatic and compact:LAUDA TD 3 tensiometer

    The ring/plate method for measuring the surface and interfacial tensions of liquids is an established method with potential: The increa-sing need for surface active additives and their confir-mation in quality checks necessitate fully-automated, user-friendly devices. As a stand-alone device, the com-pact, fully-automated ring/ plate tensiometer TD 3 with

    LAUDA Command remote control provides everything needed for this, both in lab environments and for on-site application. Surface and interfacial tensions can be easily measured, precisely and repeatably calculated, displayed, printed, saved, and transferred to the computer at the touch of a button.

    The LAUDA TD 3 comes in a new design and is equipped with some unique technical features. As such, LAUDAs smallest thermostat, the PTT Peltier thermostating unit, for example, can be easily incorporated into the device. Extre-mely quick and convenient, the measurement samples can be thermostated from 5 to 80 C with the minimum of space requirements.

    The TD 3 serves to determine the surface/interfacial pro- perties of organic and inorganic liquids, dispersions, and emulsions, among others, for developing surface active substances like surfactants and emulsifiers as well as for confirming the same in waste waters and bodies of water.

    Glass capillaries Tensiometer TD 3

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    The right temperature worldwide and the greatest precision at LAUDA these claims also extended to its high-quality constant temperature equipment and extremely high performance hea-ting and cooling systems.

    LAUDA constant temperature equipment For more than 50 years LAUDA has been designing and manufactu- ring high-quality constant tempera- ture equipment in an operating temperature range from -90 up to 400 C. Starting with water baths through to high-performance pro- cess thermostats. For routine tasks the economically priced LAUDA Alpha heating and cooling ther-mostats are the first choice. The product line ECO and Proline thermostats enable professional and, at the same time, econo-mical temperature control. High cooling outputs and fast cooling rates are offered by the Proline Kryomats. The more powerful Integral T and Integral XT process thermostats provide a light-ning-fast temperature change with external temperature control. The LAUDA Ultracool industrial circulation chillers with a cooling

    Robust and economical: LAUDA viscothermostats

    LAUDA is expanding its range of viscothermostats for manual and automatic viscometry. With our latest thermostats, we are closing the gap between the economical ECO ET polycarbonate transparent baths and the powerful Proline PV viscothermostats. The new Viscotemp series supplements the robust, tried-and-tested stainless steel viscothermostats with its excellent price-performance ratio. A first with the Viscocool 6 with low bath volu-me is the integrated Peltier cooling and lighting in space-saving and compact design.

    LAUDA much more than measuring instruments output of up to 265 kilowatts and a working temperature range from -5 up to 25 C are used by the manufacturers of, for example, printing machines, injection moulding plants and laser processing machines. LAUDA thermostats are characterized by excellent handling, high ergonomics and intuitive operation.

    LAUDA heating and cooling systems In accordance with the principle of modular engineering, LAUDA

    process cooling systems, heat transfer systems and secondary circuit systems are planned and built precisely according to customers wishes: process-oriented, customized and with precision control, meeting the strictest safety standards. With a temperature range of -150 up to 400 C, LAUDA systems heat and cool

    to an accuracy of one tenth of a degree Celsius. As the requirements for temperature regulation systems are constantly increasing, the modern LAUDA heating and cooling modules are flexibly extendable and modifiable. The combination of planning, production, our own test bay and a comprehensive service package makes LAUDA heating and cooling systems a valued partner around the world.

    This way, external cooling is not necessary in order to maintain the often required 20 or 25 C. The integrated Peltier cooling guaran-tees an operating temperature range of up to 15 C below room temperature. Of course, all of LAUDAs viscothermostats meet the high requirements of the international stan- dards of viscosity measurement.

    Viscothermostat Viscocool 6

  • LAUDA China Co., Ltd.

    LAUDA Singapore Pte. Ltd.

    LAUDA France S.A.R.L.LAUDA DR. R. WOBSER GMBH & CO. KG

    LAUDA America Latina C.A.

    OOO LAUDA Wostok

    LAUDA headquarters in Germany Worldwide subsidiaries

    LAUDA-Brinkmann, LP

    Subsidiaries

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    LAUDA Ultracool S.L.

    LAUDA Technology Ltd.

  • LAUDA. The right temperature worldwide. Our subsidiaries.

    LAUDA-Brinkmann, LPConstant temperature equipmentMeasuring instrumentsHeating and cooling systemsService1819 Underwood Boulevard08075 Delran, NJUSANorth AmericaPhone: +1 856 7647300Fax: +1 856 7647307E-mail: [email protected]: www.lauda-brinkmann.com

    LAUDA America Latina C.A.Constant temperature equipmentMeasuring instrumentsServiceAve. Las Americas, Urb. El RosarioResidencias Agua Santa, Apt. PH-A5101 MeridaVenezuelaLatin AmericaPhone: +58 274 4164466Fax: +58 274 2666912E-mail: [email protected]: www.lauda.com.ve

    LAUDA Technology Ltd.Constant temperature equipmentMeasuring instrumentsHeating and cooling systemsService4200 WatersideSolihull ParkwayBirmingham Business ParkB37 7YN BirminghamUnited KingdomPhone: +44 121 7174789Fax: +44 121 7174729E-mail: [email protected]: www.lauda-technology.co.uk

    LAUDA Ultracool S.L.Constant temperature equipmentMeasuring instrumentsService C/ Colom, 606 08228 Terrassa (Barcelona)SpainPhone: +34 93 7854866Fax: +34 93 7853988E-mail: [email protected]: www.lauda-ultracool.com

    LAUDA France S.A.R.L.Constant temperature equipmentMeasuring instrumentsHeating and cooling systemsServiceParc Technologique de Paris Nord II Btiment G 69, rue de la Belle EtoileBP 81050 Roissy en France95933 Roissy Charles de Gaulle CedexFrancePhone: +33 1 48638009Fax: +33 1 48637672E-mail: [email protected]: www.lauda.fr

    OOO LAUDA WostokConstant temperature equipmentMeasuring instrumentsHeating and cooling systemsServiceMalaja Pirogowskaja Str. 5119435 MoscowRussiaPhone: +7 495 9376562Fax: +7 495 9337176E-mail: [email protected]: www.lauda.ru

    LAUDA China Co., Ltd.Constant temperature equipmentMeasuring instrumentsHeating and cooling systemsService17C, Zaofong Universe BuildingNo. 1800 Zhong Shan Xi Lu Xuhui District200235 ShanghaiChinaPhone: +86 21 64401098Fax: +86 21 64400683E-mail: [email protected]: www.lauda.cn

    LAUDA Singapore Pte. Ltd.Constant temperature equipmentMeasuring instrumentsService24 Sin Ming Lane #03-98 573970 Midview City SingaporePhone: +65 65703995Fax: +65 65703887E-mail: [email protected]: www.lauda.sg

    LAUDA cooperates with various representatives around the world. Thoroughly trained and highly qualified employees in sales and service of our representatives give friendly and com-petent advice to our customers worldwide. Please refer to www.lauda.de for detailed contact data of your local LAUDA representative (sector: Company Worldwide).

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  • LAUDA Viscothermostats Thermostating in viscometry from -60 to 230 C

    Application examples

    Standard-compliant thermo- stating of different models of glass capillary viscometers

    Thermostating of automatic viscometers as all-around systems

    Manufacture of dilution series with magnetic stirrers

    LAUDA viscothermostats are the solution to thermostating all glass capillary viscometers. With their wide temperature range, the control heads of Proline and ECO meet the high re-quirements of viscosity measurement (ASTM D445, ISO 3105, and DIN 51562). High degree of transparency and homogeneous lighting gu-arantee good inspection of the measurement processes. Numerous advancement options (e.g. magnetic stirrer, additional cooler, tempe-

    rature sensors, and software) optimize the ran-ge of applications possible. The new Viscocool and Viscotemp viscothermostats are sensible add-ons to the Proline PV and ECO ET. The Viscotemp models supplement the robust stainless steel thermostats with a very good price-performance ratio. The new Viscocool 6 is equipped with integrated Peltier cooling which enables thermostating at up to 15 C below room temperature in compliance with standards.

    Precise, economical, flexible

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  • Your benefitsThe viscothermostats advantages

    Thermostating in viscometry from -60 to 230 C

    Precise, economical, flexible

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    Your advantages at a glance

    Numerous add-on options Automatic dilution series with automatic dispensers

    Stirrer integration for the in-situ dissolving of polymer samples

    Temperature monitoring and Wintherm software

    Solid basis for VAS viscosity auto- sampler systems

    Menu navigation via monochrome LCD (silver) or color TFT display (gold) in plain text

    Programmer of both versions integrated

    Simple and clear use Clear visibility of the parameters

    Automation of temperature progression and test series

    Optimized insulation at high temperature

    Heatable five-fold glazing in the Proline PVL versions

    Very wide temperature range from -60 (PVL) to 230 C (PV)

    Minimal heat loss

    No fogging up of the glass panes at low temperatures

    Integrated Peltier cooling with Viscocool 6 Up to 15 C below room temperature, no additional cooler necessary

    Saving space in the lab Good price-performance ratio

    Viscotemp 18 made from solid, break-proof glass

    Round and extremely compact

    Excellent circulation

    Absolute resistance to chemicals Thermostating up to 105 C Fully transparent Up to five manual measuring stations Compatible with iVisc and PVS systems

    Temperature stability and homogeneity

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    LAUDA ProlineAp

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    s Proline Viscothermostats LAUDA viscothermostats are optimized for directly observing inserted objects. The temporal and spatial temperature stability required for pre- cisely determining the viscosity is guaranteed for the full temperature ran-ge. As such, they are ideal for use with the fully automated LAUDA PVS or iVisc viscometers. Thanks to the double-chamber principle, a constant liquid level in the measuring room is guaranteed regardless of the rate and temperature. The PVL models are equipped with five layers of insulating glass and by connecting a DLK 45 through-flow cooler or Proline RP 890 cooling thermostat are suited to low-temperature measurements down to -40 or -60 C.

    Temperature range -60**230 C

    Included accessories2 hose nipples and 4 plugs for pump connection 2 hose nipples for cooling coil

    Additional accessories Heatable window frame only for PVL 15 C, PVL 24 C solenoid valve for cooling water, additional cooler

    Viscothermostat PV 24 C

    Special features Corrosion-resistant stainless steel bath with 15, 24 or 36 liter bath volumes

    Double-chamber system for constant liquid level in the measuring chamber of bath

    Cover plates for up to six automatic or nine stop watch (manual) measuring stations

    Multi-glazing with optional heating avoids fogged up glass panes

    Integrated heat exchanger for counter-cooling Can be combined with LAUDA flow coolers High control precision thanks to adaptive PID regulation

    Optional external sensor controls the temperature at the measuring location

    Integration of magnetic stirrers and combination with VAS systems possible

    Technical features PV 15/PV 15 C PV 24/PV 24 C PV 36/PV 36 C PVL 15/PVL 15 C PVL 24/PVL 24 C

    Temperature range C 0*...230 0*...230 0*...230 -60**...100 -60**...100

    Temperature stability K 0.01 0.01 0.01 0.01 0.01

    Heater power 230 V (115 V/208-220 V) kW 3.5 (1.8/-) 3.5 (-/3.5) 3.5 (-/3.5) 3.5 (1.8/-) 3.5 (1.8/-)

    Pump pressure max. bar 0.8 0.8 0.8 0.8 0.8

    Pump suction max. bar

    Pump flow pressure max. L/min 25 25 25 25 25

    Pump flow suction max. L/min

    Bath volume L 1115 1924 2836 1115 1924

    Bath opening/depth mm 230x135/320 405x135/320 585x135/320 230x135/320 405x135/320

    Glass pane size mm 149x230 326x230 506x230 149x230 326x230

    Dimensions mm 506x282x590 740x282x590 1040x282x590 506x282x590 740x282x590

    Cat. No. Master 230 V; 50/60 Hz - LCD 0276 LCD 0278 LCD 0280 LCD 0282 LCD 0284

    Cat. No. Master 115 V; 60 Hz/208-220 V; 60 Hz LCD 4276/- LSO 4312/LCD 8778 -/LCD 8280 LCD 4282/- LCD 4284/-

    Cat. No. Command 230 V; 50/60 Hz LCD 0277 LCD 0279 LCD 0281 LCD 0283 LCD 0285

    Cat. No. Command 115 V; 60 Hz/208-220 V; 60 Hz LCD 4277/- -/LCD 8779 -/LCD 8281 LCD 4283/- LCD 4285/-

    * Possible with LAUDA additional cooler ** Possible with LAUDA Proline RP 890

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    Proline accessories

    Cat. No. Description Suitable for

    LCZ 9738 BL 15 PV 15, PVL 15

    LCZ 9739 BL 24 PV 24, PVL 24

    LCZ 9740 BL 36 PV 36

    EKS 097 Cable BL PVS PV15, PVL 15, PV 24, PVL 24

    Background lighting

    LCZ 9738, LCZ 9739, LCZ 9740

    Cat. No. Description

    LTZ 045 Cover plate PV 15 V (for 2 measuring stands)

    LTZ 048 Cover plate PV 15 VK (for 1 measuring stand/2 thermostating positions)

    LTZ 017 Cover plate PV 15 K (for 3 manual measuring stations)

    LTZ 046 Cover plate PV 24 V (for 4 measuring stands)

    LTZ 049 Cover plate PV 24 VK (for 3 measuring stands/3 thermostating positions)

    LTZ 019 Cover plate PV 24 K (for 5 manual measuring stations)

    LTZ 023 Cover plate PV 24 7K (for 7 manual measuring stations)

    LTZ 047 Cover plate PV 36 V (for 6 measuring stands)

    LTZ 021 Cover plate PV 36 K (for 9 manual measuring stations)

    LTZ 052 Insert for manual measurements

    Cover plates

    Cat. No. Description

    LFD 111 DLK 45 LiBus, 230 V; 50 Hz

    LFD 811 DLK 45 LiBus, 208-220 V; 60 Hz

    Through-flow cooler

    Cat. No. Description

    LCK 1897 Proline RP 890 (down to -60 C), 230 V; 50 Hz

    LCK 8897 Proline RP 890 (down to -60 C), 208-220 V; 60 Hz

    Additional cooler

    LTZ 045

    LTZ 046

    LFD 111

    LCK 1897

    Cat. No. Description

    LMVZ 967 2 stirring positions

    LMVZ 968 4 stirring positions

    Magnetic stirrer sets Only factory mounted

    Further through-flow cooler and other accessories, see page 17

    LMVZ 967

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    LAUDA Viscocool and ViscotempAp

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    s Viscocool and ViscotempViscothermostats with transparent bath and Silver and Gold control headsThe tried-and-tested ET 15 baths made from polycarbonate provide space for immersion of a maximum of three glass capillary viscometers for manual measurement using the stop watch or for up to two automatic measuring stations for iVisc or S 5 (PVS). If required, when using dilution viscometers for example, up to two magnetic stirrers can be added to the thermostat.

    Specifically for applications near room temperature (15 to 30 C), the ET range was expanded upon with the inclusion of the extremely compact, electronic Viscocool 6 version which is cooled using Peltier technology. It can provide cooling without a cooling water connection or any additional devices. The similarly new round solid glass bath Viscotemp 18 is used particularly for temperatures around 100 C for operation with silicone oils and with aggressive samples. Outstanding insights in the smallest space can be achieved thanks to up to five stop watch measuring stands. Alter-natively, it can be equipped with an iVisc or PVS measuring stand and thermostating position.

    Temperature range 15...105 C

    Included accessoriesPump connection set with 13 mm plastic nipples (ET 15 S, Viscotemp 18 S) or M16 x 1 thread (ET 15 G, Viscotemp 18 G) plugs

    Additional accessories Cooling coil tubing cover plates Pt100/LiBus module

    Viscothermostat Viscocool 6

    Technical features ET 15 S/G Viscocool 6 Viscotemp 18 S/G

    Working temperature range C 20*...100 15...90 0*...105

    Temperature stability K 0.01 0.01 0.01

    Heater power 230 V (115 V) kW 1.3/2.6 (1.3/1.3) 1.3 (1.3) 1.3/2.6 (1.3/1.3)

    Pump pressure max. bar 0.55 0.55 0.55

    Pump flow max. L/min 22 22 22

    Bath volume L 15 6.5 18.5

    Bath opening/depth mm 275x130/310 188x128/330 290/320

    Dimensions mm 428x130x532 206x415x530 310x510

    Cat. No. Silver 230 V; 50/60 Hz LCD 0288 LCD 0292 LCD 0294

    Cat. No. Silver 115 V; 60 Hz LCD 4288 LCD 4292 LCD 4294

    Cat. No. Gold 230 V; 50/60 Hz LCD 0289 LCD 0295

    Cat. No. Gold 115 V; 60 Hz LCD 4289 LCD 4295

    Special features Baths made from polycarbonate or glass with 6 to 18 liters bath volume

    Ideal for operation between 20 and 40 C For up to two automatic or five stop watch measuring stations

    Optionally with the control head ECO Silver or ECO Gold (except for Viscocool 6)

    Simple design makes quick cleaning possible Variopump with six pumping levels and pump flow distribution for perfect homogeneity

    Display with standards-compliant resolution of 0.01 K

    Can be combined with LAUDA through-flow coolers Intuitive operation via cursor and softkeys Polycarbonate bath Viscocool 6 with integrated Peltier cooling and double chamber system

    * Possible with external cooling

    532 mm 530 mm 510 mm

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    Special features Corrosion-resistant stainless steel bath with 19 to 44 liter bath volumes

    For up to four automatic or 12 stop watch (manual) measuring stations

    Optionally with control head ECO Silver or ECO Gold

    Clear design makes quick cleaning possible Variopump with six pumping levels and pump flow distribution for perfect homogeneity

    Display with standards-compliant resolution of 0.01 K

    Can be combined with LAUDA through-flow coolers Intuitive operation via cursor and softkeys

    ViscotempViscothermostats with stainless steel bath and control head Silver and GoldThe new Viscotemp 15, 24, and 40 viscothermostats with high-quality stainless steel baths and glass windows can be used in the most common temperature range from 0 up to 105 C. The clearly designed single- chamber systems with optional background lighting provide a glass-clear view and can be easily cleaned. They are ideal for determining, for examp-le, the viscosity index of motor oils or the solution viscosity of plastics. The Viscotemp 15 type offers space for up to four manual maesuring stations or two automatic measuring stands, iVisc or S 5 (PVS). Viscotemp 24 has space for seven viscometers or up to four automatic measuring stands. Both versions can be fitted with cleaning modules. Viscotemp 40 was designed exclusively for manual measurements with twelve measuring stations. With the Therm 180 heat transfer liquid, the thermostats can be operated as a corrosion-resistant thermostating bath for aggressive samples, e.g. for polyamides dissolved in sulfuric acid.

    Temperature range 0...105 C

    Included accessoriesPump connection set with 13 mm plastic nipples (Silver) or M16 x 1 thread (Gold) plugs

    Additional accessories Cooling coil tubing cover plates Pt100/LiBus module

    Viscothermostat Viscotemp 24 G with cover plate 24 K Cover plates not included in delivery

    Technical features Viscotemp 15 S/G Viscotemp 24 S/G Viscotemp 40 S/G

    Working temperature range C 0*...105 0*...105 0*...105

    Temperature stability K 0.01 0.01 0.01

    Heater power 230 V (115 V) kW 1.3 /2.6 (1.3/1.3) 1.3 /2.6 (1.3/1.3) 1.3 /2.6 (1.3/1.3)

    Pump pressure max. bar 0.55 0.55 0.55

    Pump flow max. L/min 22 22 22

    Bath volume L 19 27 44

    Bath opening/depth mm 252x145/320 430x145/320 430x230/320

    Glass pane size mm 152x233 329x233 329x233

    Dimensions mm 428x130x532 206x415x530 310x510

    Cat. No. Silver 230 V; 50/60 Hz LCD 0296 LCD 0298 LCD 0300

    Cat. No. Silver 115 V; 60 Hz LCD 4296 LCD 4298 LCD 4300

    Cat. No. Gold 230 V; 50/60 Hz LCD 0297 LCD 0299 LCD 0301

    Cat. No. Gold 115 V; 60 Hz LCD 4297 LCD 4299 LCD 4301* Possible with external cooling The cover plates/bath bridge necessary for operation need to be ordered separately, see page 16

    552 mm552 mm552 mm

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    Cat. No. Description

    LCZ 0719 Cooling coil set ET 15, connections at the right

    Cooling coil set For connecting cooling water or external cooling devices with a circulation pump

    LCZ 0719

    Cat. No. Description Suitable for

    LCZ 041 Cover plate E 15 V (for 2 measuring stands) ET 15

    LCZ 040 Cover plate E 15 VK (for 1 measuring stand/2 thermostating positions) ET 15

    LCZ 0685 Cover plate E 15 K (for 3 manual measuring stations) ET 15LCZ 0737 Cover plate Viscotemp VK (for 1 measuring stand/1 thermostating

    position)Viscotemp 18

    LCZ 0736 Cover plate Viscotemp K (for 5 manual measuring stations) Viscotemp 18

    LCZ 0730 Cover plate Viscotemp 15 V (for 2 manual measuring stands) Viscotemp 15LCZ 0731 Cover plate Viscotemp 15 VK (for 1 measuring stand/2 thermostating

    positions)Viscotemp 15

    LCZ 0729 Cover plate Viscotemp 15 K (for 4 manual measuring stations) Viscotemp 15

    LCZ 0733 Cover plate Viscotemp 24 V (for 4 manual measuring stands) Viscotemp 24LCZ 0734 Cover plate Viscotemp 24 VK (for 2 measuring stands/4 thermostating

    positions)Viscotemp 24

    LCZ 0732 Cover plate Viscotemp 24 K (for 7 manual measuring stations) Viscotemp 24

    LCZ 0735 Cover plate Viscotemp 40 K (for 12 manual measuring stations) Viscotemp 40

    LTZ 052 Insert for manual measurements HPB 139 Bath bridge Viscotemp 15,

    Viscotemp 24

    Cover plates

    LCZ 040

    LCZ 041

    Cat. No. Description Suitable for

    LCZ 9738 BL 15 Viscotemp 15

    LCZ 9739 BL 24 Viscotemp 24, Viscotemp 40

    Background lighting

    LCZ 9738, LCZ 9739

    LCZ 0733

    LCZ 0736 LCZ 0737

    NEW

    NEW

  • Additional Viscocool, Viscotemp and Proline accessories

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    Cat. No. Description

    LFD 010 DLK 10, 230 V; 50 Hz

    LFD 710 DLK 10, 100 V; 50 Hz/115 V; 60 Hz

    LFD 108 DLK 25, 230 V; 50 Hz

    LFD 708 DLK 25, 100 V; 50 Hz/115 V; 60 Hz

    UK 263 Control cable for Proline and ECO

    Through-flow cooler

    LFD 010

    Cat. No. Description

    LZS 001 Silicone tubing, 8 mm l.D. (9 mm insulated)

    LZS 007 Silicone tubing, 11 mm l.D. (9 mm insulated) LZS 018 Viton tubing, 11 mm l.D. (9 mm insulated), when using silicone oils

    (Therm 180, 200, 240, Kryo 20)

    EZS 012 Tubing clamps

    TubingTo connect thermostat and DLK

    LZS 018

    Cat. No. Description

    LZB 923 AquaStab, algicide for viscothermostats, 100 ml

    Water stabilizer

    Cat. No. Description

    LZB 114 Therm 180, 5-L canister

    LZB 214 Therm 180, 10-L canister

    LZB 314 Therm 180, 20-L canister

    Heat transfer liquids For operation between 25 and 100 C

    LZB 923

    Cat. No. Description

    LRZ 913 RS-232-/-485 Interface

    EKS 089 USB 2.0 cable: Mini USB

    Interfaces For temperature controlling via PC (TEMP-DLL)

    LRZ 913

    ETP 059

    Cat. No. Description

    ETP 059 Pt100-94 Temperature probe for external control

    LRZ 918 Pt100/LiBus module

    Temperature probes For external temperature regulation

  • Viscosity measuring with Ubbelohde, Cannon-Fenske and Micro-Ostwald capillary viscometers

    Application examples

    Determining the viscosity number, intrinsic viscosity (mean molar mass) and other parameters of technical polymers such as PA, PET, PBT, PE, PP and PVC in accordance with EN-ISO 1628, ISO 307 for the quality control of plastics

    Measuring absolute viscosities of engine oils and other lubri- cants in accordance with ASTM D445, viscosity index in accordance with ISO 2909 at 40 and 100 C

    Glass capillary viscometers are available in various designs, which differ with respect to application area, accuracy and operation. As of now, they can be supplied by LAUDA in the Ubbelohde, Cannon-Fenske, Micro-Ostwald and special designs. For high-pre-cision, automatic measuring, the Ubbelohde version with the suspended level is pre- ferred, among other reasons because the flow time is independent of the precise sample

    volume. To keep the measuring times within the optimum range between approx. 60 and 600 s, different capillary diameters are supplied to cover the complete viscosity range. The procedure, particularly with auto- matic LAUDA measuring technology and precise temperature control using LAUDA clear-view thermostats, is unrivaled in terms of accuracy for measuring liquids with nearly Newtonian (ideal) flow properties.

    Accurate and standard-compliant

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    LAUDA Glasscapillary viscometers

  • Your advantages at a glanceThe glass capillary viscometer advantages

    Your benefits

    Ubbelohde for dilution series with calibration certificate and filter frit

    Absolute measuring now also possible with calibrated dilution viscometers. The integrated frit ensures filtration when the sample dissolves in the viscometer.

    Customer-specific variants available on request

    LAUDA supplies special variants as desired by the customer, specifically for adaptation to automatic measuring systems.

    Complete application from one supplier

    LAUDA supplies all components for the viscosity application clear-view ther-mostats, automatic viscosity measuring systems and glass capillary viscometers.

    Corrosion resistant labelling There is no risk of abrasion or etching off of the labeling even with the use of strong acids and aggressive solvents used as samples or cleaning agents.

    Ring marks with no detection disturbances

    Precise, positioned, NIR permeable ring marks with exactly 40 mm clearance. The capillary constant is valid for stopwatch and automatic measuring systems.

    Do you have questions about this product? E-mail: [email protected]

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  • Type Cap. const.mm/sDIN/ASTMmm/s

    PVS or iViscmm/s

    imm

    Cat. No. calibrated

    Cat. No. uncalibrated

    0c 0.003 0.7...3 0.32 0.47 EGV 700 EGV 7090a 0.005 15 0.53 0.53 EGV 701 EGV 710I 0.01 210 0.7...7 0.63 EGV 702 EGV 711Ic 0.03 630 220 0.84 EGV 703 EGV 712II 0.1 20100 660 1.13 EGV 704 EGV 713IIc 0.3 60300 20200 1.50 EGV 705 EGV 714III 1 2001,000 60600 2.01 EGV 706 EGV 715IIIc 3 6003,000 2002,000 2.65 EGV 707 EGV 716IV 10 2,00010,000 6006,000 3.60 EGV 708 EGV 717IVc 30 6,00030,000 2,00020,000 4.70 EGV 699 EGV 697

    Also available in ASTM version

    Ubbelohde Viscometers

    For automatic and stopwatch measurement. Standard design with no thread for easy removal prior to external cleaning. ISO 3105, DIN 51562, BS 188, NFT 60-100 Filling volume: 15...20 ml Total length: approx. 290 mm Measurement accuracy: 0.2 %

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    Ubbelohde Viscometers for automatic cleaning

    For automatic and stopwatch measurement. With screw connections and aspirating tube for perma-nent installation. Recommended for automatic cleaning with LAUDA VRM modules.

    ISO 3105, DIN 51562, BS 188, NFT 60-100 Filling volume: 18...22 ml Total length: approx. 290 mm Measurement accuracy: 0.2 %

    Type Cap. const.mm/sDIN/ASTMmm/s

    PVS or iViscmm/s

    imm 0,01

    Cat. No. calibrated

    Cat. No. uncalibrated

    0c 0.003 0.7...3 0.32 0.47 EGV 930 EGV 9400a 0.005 15 0.53 0.53 EGV 931 EGV 941I 0.01 210 0.77 0.63 EGV 932 EGV 942Ic 0.03 630 220 0.84 EGV 933 EGV 943II 0.1 20100 660 1.13 EGV 934 EGV 944IIc 0.3 60300 20200 1.50 EGV 935 EGV 945III 1 2001,000 60600 2.01 EGV 936 EGV 946IIIc 3 6003,000 2002,000 2.65 EGV 937 EGV 947IV 10 2,00010,000 6006,000 3.60 EGV 938 EGV 948

    Also available in ASTM version

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    Micro-Ubbelohde Viscometers

    For small sample quantities and/or short measurement times. Designed with no thread for easy remo-val prior to external cleaning. Compatible with LAUDA VRM modules.

    DIN 51562/2 Filling volume: 3...4 ml Total length: approx. 290 mm Measurement accuracy: 0.5 %

    Type Cap. const.mm/sDIN/ASTMmm/s

    PVS or iViscmm/s

    imm

    Cat. No. calibrated

    Cat. No. uncalibrated

    I 0.01 16 0.306 0.40 EGV 718 EGV 723Ic 0.03 318 0.818 0.53 EGV 719 EGV 724II 0.1 1060 360 0.70 EGV 720 EGV 725IIc 0.3 30180 8180 0.95 EGV 721 EGV 726III 1 100800 30800 1.26 EGV 722 EGV 727

    Type Cap. const.mm/sDIN/ASTMmm/s

    PVS or iViscmm/s

    imm

    Cat. No. calibrated

    Cat. No. uncalibrated

    I 0.01 16 0.306 0.43 EGV 820 EGV 825Ic 0.03 318 0.818 0.60 EGV 821 EGV 826II 0.1 1060 360 0.77 EGV 822 EGV 827IIc 0.3 30180 8180 1.00 EGV 823 EGV 828III 1 100800 30800 1.36 EGV 824 EGV 829

    Micro-Ostwald Viscometers

    For small sample quantities and/or very short measurement times. Designed with no thread for easy removal prior to external cleaning. Compatible with LAUDA VRM modules. Precise volume input required. Especially recommended for heavy-foaming samples.

    Filling volume: 2 ml Total length: approx. 290 mm Measurement accuracy: 0.5 %

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    s Cannon-Fenske Routine Viscometers for automatic cleaningViscometers for automatic and stopwatch measurement. With screw connections and aspirating tube for permanent installation. Recommended for automatic cleaning with LAUDA VRM modules. Precise volume input required.

    ISO 3105, ASTM D 2515, BS 188 With filling and cleaning tube Filling volume: approx. 5...10 ml Total length: approx. 245 mm Measurement accuracy: 0.3 %

    Type Cap. const.mm/sDIN/ASTMmm/s

    PVS or iViscmm/s

    imm

    Cat. No. calibrated

    Cat. No. uncalibrated

    50 0.004 0.8...4 0.4...3 0.44 EGV 951 EGV 98675 0.008 1.6...8 0.8...6 0.54 EGV 952 EGV 987100 0.015 3...15 2...10 0.63 EGV 953 EGV 988150 0.035 7...35 4...25 0.78 EGV 954 EGV 989200 0.1 20...100 8...60 1.01 EGV 955 EGV 990300 0.25 50...250 20...100 1.27 EGV 956 EGV 991350 0.5 100...500 40...200 1.52 EGV 957 EGV 992400 1.2 240...1,200 100...500 1.92 EGV 958 EGV 993450 2.5 500...2,500 200...1,000 2.35 EGV 959 EGV 994500 8 1,600...8,000 700...3,500 3.20 EGV 960 EGV 995600 20 4,000...20,000 1,500...7,500 4.20 EGV 961 EGV 996

    Type Cap. const.mm/sDIN/ASTMmm/s

    PVS or iViscmm/s

    imm

    Cat. No. calibrated

    Cat. No. uncalibrated

    50 0.004 0.8...4 0.4...3 0.44 EGV 861 EGV 87375 0.008 1.6...8 0.8...6 0.54 EGV 862 EGV 874100 0.015 3...15 2...10 0.63 EGV 863 EGV 875150 0.035 7...35 4...25 0.78 EGV 864 EGV 876200 0.1 20...100 8...60 1.01 EGV 865 EGV 877300 0.25 50...250 20...100 1.27 EGV 866 EGV 878350 0.5 100...500 40...200 1.52 EGV 867 EGV 879400 1.2 240...1,200 100...500 1.92 EGV 868 EGV 880450 2.5 500...2,500 200...1,000 2.35 EGV 869 EGV 881500 8 1,600...8,000 700...3,500 3.20 EGV 870 EGV 882600 20 4,000...20,000 1,500...7,500 4.20 EGV 871 EGV 883

    Cannon-Fenske Routine ViscometersFor automatic and stopwatch measurement. Standard design with no thread for easy removal prior to external cleaning. Precise volume input required.

    ISO 3105, ASTM D 2515, BS 188 Filling volume: approx. 5...10 ml Total length: approx. 245 mm Measurement accuracy: 0.3 %

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    Ubbelohde Dilution Viscometers

    For convenient implementation of dilution series and determining concentration dependencies, e.g. IV value measuring of polymers. Standard design with no thread for easy removal prior to external cleaning. Can be connected with LAUDA VRM modules and dosing units. Recommended for auto-matic measuring with LAUDA viscosity measuring systems.

    Fill volume: 15...75 ml Total length: approx. 290 mm Measurement accuracy: 0.2 %

    Type Cap. const.mm/sPVS or iViscmm/s

    imm

    Cat. No. calibrated

    Cat. No. uncalibrated

    0c 0.003 0.32 0.47 EGV 912 EGV 9210a 0.005 0.53 0.53 EGV 913 EGV 9220a 0.005 0.53 0.53 EGV 913-1* EGV 922-1*I 0.01 0.7...7 0.63 EGV 914 EGV 923I 0.01 0.7...7 0.63 EGV 914-1* EGV 923-1*Ic 0.03 220 0.84 EGV 915 EGV 924II 0.1 660 1.13 EGV 916 EGV 925*With integrated filter: porosity G 2

    Application table

    Ubbelohde Micro-Ubbelohde Micro-Ostwald Cannon-Fenske Routine

    Manual measurement ++ ++ + +Automatic measurement ++ ++ + +Frothing liquids + +Volatile samples + +Small samples/detergent quantities - ++ + -High/low temperature + +Black and used oils - -++ use by preference + well suited less suited - unsuitable

    LAUDA supplies glass capillary viscometers in various designs. Use the following table to see which capillary is best suited for your application.

    Cat. No. Description

    UG 003 Viscometer frame for Ubbelohde and Micro-Ubbelohde

    UG 094 Viscometer frame for Micro-Ostwald

    EZ 054 Cannon-Fenske viscometer holder for 2-legged capillaries (only for manual measuring)

    EAO 156 Digital hand stop watch

    EZ 287 Suction ball, 60 ml, opening 6.3 mm

    LZB 011 Labosol S for cleaning the glass capillary viscometer, 1 L

    HKB 532 Adapter for Micro-Ubbelohde (for installation into automatic systems)

    Accessories

    UG 003

  • Capillary viscometer for fully automatic viscosity measurement and evaluation

    Application examples

    Determining viscosity numbers for quality assurance in the plastics industry

    Absolute viscosities in the petroleum industry for motor oil, lubricant, fuel, kerosene, additives, etc.

    Determining chain length of pharmaceutical and biological macro-molecules

    The fully automatic, space-saving iVisc is easy to operate and suitable for getting started in professional viscometry. Simply insert the USB cable into the PC or netbook, start the software and the capillary viscometer is ready to go. The state-of-the-art measuring instrument offers a Windows user interface which could not have a more intuitive or easy design. As such, the sys-tem condition, the ongoing measuring or pause times as well as the measuring data in table form can be seen at a glance. The capillary

    data can be transferred into the measuring win-dow via drag & drop. Using pull down menus, important application-specific evaluations and all common approximation formulas for intrin-sic viscosities (IV values) can be specified as a measure for polymer chain lengths. By taking the necessary corrections into account, the ab-solute kinematic viscosities and, if the density is known, the dynamic viscosities can be eva-luated from the precisely measured processing times.

    Compact and easy to operate

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    LAUDA iVisc

  • Do you have questions about this product? E-mail: [email protected]

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    The iVisc advantages Your benefits

    Intuitive software: 1. Identification of the capillary type

    2. Selection of desired measurements 3. START

    Simple measurement progression Virtually impossible to make operating

    errors

    Tabular view of the measurement results Results protocol via standard printer

    One cable for power supply and data transmission

    Parallel operation of two iVisc units possible with one PC or netbook

    The fastest device installation using plug & play technology

    No power adapter necessary Energy-saving Double sample throughput

    Comprehensive calculation algorithms already integrated

    Determining kinematic, dynamic, relative, inherent, and reduced viscosity

    Intrinsic viscosity according to Billmeyer, Huggins, Maron, Martin, Schulz-Blaschke, and Solomon-Ciuta

    Intelligent and self-adaptive NIR meniscus scanning

    Exact time measurement even with colored and dark liquids

    Full control of the measuring process

    Pumps, valves and light sensors inte- grated into the iVisc

    Time-saving thanks to automation

    Minimum space requirement No external devices necessary

  • iVisc Capillary viscometer The compact, intelligent viscosity measuring stand is designed for a large spectrum of standard glass capillary viscometers (e.g. Ubbelohde, Cannon-Fenske, and Micro-Ostwald). In a suitable LAUDA thermostat (e.g. LAUDA ET 15 S, Viscocool 6 or Viscotemp) and the corresponding glass capillary viscometer, the kinematic viscosities in the range from 0.3 to 30,000 mm/s can be determined. A wide range of applications can be accommodated as a result.

    Capillary viscometer iVisc

    Special features:

    Plug & play device installation Connection of up to two iVisc units per computer Intuitive operation using software start/stop button on the device

    Exact and intelligent optical meniscus sensing for problematic liquids

    Control and power supply via computer with USB possible (PC, netbook, etc.)

    Operating status display via LEDs Just one cable (USB) for control and power supply

    Just 1 watt of power consumption Measurement temperature from -20 to 150 C

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    Additional accessories (see also page 35):Viscometer frames adapter for Micro-Ubbelohde utilizable glass capillary viscometer: Ubbelohde, Cannon-Fenske, Micro-Ubbelohde, Micro-Ostwald

    Computer on request

    Technical features iViscSample temperature range C -20...150

    Ambient temperature C 10...45

    Measurement range Time s 0...9,999.99

    Recommended measurement range for flow timing s 301,000

    Viscosity range mm2/s 0.3...30,000

    Resolution of time measurement s 0.01

    Error in time measurement ppm 1

    Meniscus detection Optical (near infrared)

    Total power consumption W 1

    Dimensions (WxDxH) mm 95x96x425

    Power supply USB

    Weight, net kg 1.4

    Cat. No. LMV 830

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    We had the user in mind ...

    The full control of the measuring process including the pumps and pressure compensation valves, the highly flexible meniscus sensing using NIR light sensor, and the precise measurement of the flow time of the sample using the measuring capillary are all done in the head of the measuring stand. Standard-compliant measurements of the K-value, intrinsic, reduced, and inherent viscosity are made possible out-of-the-box. Complex measuring applications can also be easily established and configured.

    The most common formulas and calculations are included in the software. The clear software interface considerably simplifies measuring praxis. After the simple insertion of a filled glass capillary, a software program coordinates all of the steps necessary to perform the measurement and it then executes the evaluation. Here, the precise measuring of the flow time is based on intelligent, self-adaptive NIR meniscus sensing.

    Step 1: Identification of the capillary type

    Step 2: Selection of desired measurements

    Step 3: Start

    Step 4: Issue of the measurement protocol

    Integrated glass viscometer database Display of the current measuring and pause times Software clearly designed for a single display window

    Easy data transfer possible (e.g. Excel)

  • Modular processor viscosity measuring system for efficient system solutions

    Application examples

    Production-accompanying specification of viscosity numbers for technical plastics

    Measurement of the viscosity index for classification of motor oils

    Determining absolute viscosi- ties of fuels at application tem- peratures

    Determining chain lengths of hyaluronic acid products and resorbable polymers

    The modular structure of the LAUDA PVS system permits efficient system solutions which are perfectly adapted to the needs of users. This way, you can design the configu-rations very flexibly for a higher number of samples and new tasks by integrating spe-cial components and software modules. The extensive automation; for example, with the cleaning of the glass capillary viscometers, the sample preparation and sample loading, maxi-

    mizes efficiency while keeping manual efforts to a minimum. The associated reduction in use and contact with chemicals makes a telling contribution to occupational safety and envi-ronmental protection. LAUDA PVS is made up of stand-alone, independent functional units. Measuring stands, cleaning modules, automa-tic samplers and dosing systems are control-led centrally from an easy to operate Windows measuring program.

    Modular and flexible

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    LAUDA PVS

  • Do you have questions about this product? E-mail: [email protected]

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    The PVS advantages Your benefits

    PC measuring program fully compatible with all standard Windows versions

    Parallel view of all measuring processes

    Application-specific software modules

    GLP compatibility with password-pro- tection

    Every PC compatible with COM interface

    Measuring results and system condition at a glance

    No individual evaluations or calculations necessary

    Program interventions and measure- ment data are always traceable

    Software modules and components for the preparation of polymer solutions

    Everything from a single source Saving of labor even as early as

    specification

    High precision with the least effort

    Compact

    Clear design

    Pneumatic components right beside the measurement location

    Powerful despite small footprint Fully automatic machines fit into labora-

    tory fume hoods

    Measurement processes can be easily followed

    Dead volumes are avoided Solvent savings and quick system re-

    sponse

    Central control unit

    Slot system

    RS 232 interface Universal power adapter

    Time-saving thanks to multi-tasking of intelligent micro-processor controlled components

    Connection of up to eight measuring stations and other components

    Secure communication via PC Power supply globally compatible

    Modular principle

    Easy to upgrade Flexible combinations possible Replaceable

    Good value, application-specific system designs

    Higher sample throughput Adaptable to new applications High redundancy and system stability Fast error-correction

  • PVS Viscometer basic modules The measuring stand S 5 The S 5 is the actual measuring station of the PVS system. The head of the stand-alone measuring stand S 5 is comprised of the opto-electronic meniscus detectors as well as the entire micro-processor control of the measuring process including miniature pump and valves in the head of the unit. The measuring time of the sample is determined to the millisecond using a processor-controlled infrared light sensor. The robust micro-pump for pushing the sample up into the measuring ball as well as the chemical-resistant valves in the head of the stand make reliable continuous opera-tion possible.

    The control unit PVS 1The PVS 1 control unit is the core of the system as well as the switching station between the PC and individual components. It can be equipped with up to four inserts depending on the configuration.

    Measuring stand S 5

    Special features S 5/PVS:

    Completely micro-processor controlled Highly precise time measurement Intelligent infrared (NIR) detection Short tubing to the viscometer Electrical connections only For Ubbelohde, Micro-Ubbelohde, Cannon- Fenske-Routine, Micro-Ostwald

    Interface to the PC via RS 232 control unit can be easily extended with insert cards for: - Up to eight S 5 stands - Up to four VRM modules - Up to four MT dosing systems - Four motor locks on the VAS auto-sampler systems

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    Included accessories:Software PVS on CD-ROM RS 232 cable connection caps for glass viscometer connection cable

    Additional accessories:Adapter for Micro-Ubbelohde suitable viscothermostats cleaning modules VRM dosing systems software modules

    Technical features PVS 1/2 PVS 1/4 PVS 1/6 PVS 1/8Measuring stations 2 4 6 8

    Interface RS 232 C RS 232 C RS 232 C RS 232 C

    Dimensions (WxDxH) mm 340x270x105 340x270x105 340x270x105 340x270x105

    Weight, net kg 4,6 4,6 4,6 4,6

    Ambient temperature C 1045 1045 1045 1045

    Total power consumption kW 0,1 0,1 0,1 0,1

    Cat. No. 90-240 V; 50/60 Hz LMV 812 LMV 813 LMV 814 LMV 815

    * Higher temperatures on request

    Control unit PVS 1

    Technical features Measuring stand S 5 Meniscus detection Optical (infrared)

    Light sensor control Digital (P)

    Sample temperature range C -65...160*

    Measurement range Time s 09,999.99

    Recommended measurement range s 30...1,000

    Viscosity range mm2/s 0.3...50,000

    Resolution of time measurement s 0.01

    Error in time measurement ppm 1

    Dimensions (WxDxH) mm 90x90x500

    Weight, net kg 4.5

    Cat. No. LMVZ 948

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    VRMCleaning modules The cleaning modules enable the fully automatic cleaning and drying of the viscometers. Depending on the fittings, one or two viscometers can be connected and two different cleaning liquids can be selected separately. Even very hot samples of up to 160 C or highly viscous samples with 1,000 mm/s can be pumped out into waste bottles with pre-dilution. The glass viscometers can then be cleaned using cleaning solvents and dried with a volatile solvent and ambient air. High-quality materials guarantee resistance to many common solvents. With the VRM 4 S, even concentra-ted sulfuric acid can be used for cleaning.

    Special features:

    Automatic (online) rinsing of the viscometer Inert and corrosion-free for all standard solvents Individual specification of cleaning procedures using PC software

    Automatical filling and draining Two different rinsing agents (the first for cleaning, the second for drying)

    VRM 4 (except for sulfuric acid) VRM 4 S (for sulfuric acid) VRM 4 HT (for high temperatures and high visco- sity), external pump necessary

    No external connections necessary

    Included accessories:Connection cable to PVS 2 connection stoppers for GL 45 vessels tubing set for filling bottles and waste bottles

    Necessary accessories:Connection sets with sample locks suitable for capillary viscometers suction pump (for VRM 4 HT) mounting sets for viscothermostats

    Additional accessories:Filling level safety set

    Technical features VRM 4 VRM 4 S VRM 4 HT 1

    Temperature range C 20....100 20....100 20....160

    Viscosity range samples mm*/s 0,3....1002 10....50 0,3....1000

    Max. cleaning agents 2 2 2

    Solvent resistance ++3 +4 ++3

    Acid resistance +5 ++6 +5

    Dimensions (WxDxH) mm 130x160x130 130x160x130 130x160x130

    Weight, net kg 4,8 4,8 4,6

    Cat. No. LMR 911 LMR 912 LMR 9131 Only operable with external suction pump or vacuum connection 2 Expandable using special cleaning routines 3 Resistant to all solvents common to the plastics and mineral oil industry 4 Except for ketones (e.g. acetone) 5 Except for sulfuric acid 6 Resistant to all acids common to solution viscosity

    Cleaning module VRM 4

  • VAS Fully automatic sampler The sampler based on the Combi-PAL sampler of CTC offers the con-venience of full automation at the highest sample throughput rate as an add-on to the two-station (VAS 1/2) or four-station (VAS 1/4) measuring systems. Depending on the size of the sample bottles, up to 63 samples can be processed in one session. Heated sample racks with similarly thermostated syringes guarantee trouble-free measurement of hot poly-mer solutions or oils without the samples cooling down over the course of the process. The system is controlled using a special PVS program which permits the safe application-specific allocation of the measurement samp les to the matching glass viscometers, e.g. through direct drag & drop from the task list which was generated during sample preparation. The measurement of the samples is done in the S 5 measuring stand, whi le the cleaning of the glass capillary viscometers and dosing syringes is done via suitable VRM modules.

    Special features:

    Retrofittable two-station measuring system VAS 1/2 Four-station measuring system VAS 1/4 for the highest sample throughput Heatable sample rack and syringe for highly- viscous samples or temperature-critical samples Easy to program sample processing Fast sample switching possible Assignment of processing priorities Sample-specific applications can be defined (e.g. kinematic and relative viscosity, IV and K-values) Direct injection into viscometers without contami- nation at the tubing Optional rinsing with two solvents or with next sample Automatic program-controlled sample locks

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    Technical features VAS 1/2 VAS 1/4Temperature range C 20....135 20....135

    Viscosity range samples mm/s 0.3....1001 0.3....1001

    Syringe volumes ml 5 5

    Measuring stands S 5 2 4

    Control panel PVS PVS1/4 PVS1/6

    Interfaces 2 x RS 232 2 x RS 232

    Applications (sample types) 12 22

    Sample counts 50 ml 35/241 35/241

    Sample counts 30 ml 63/43 63/43

    Dimensions (WxDxH) mm 1200x600x1200 1200x600x1200

    Weight, net kg 56 68

    Cat. No. LMV 818 LMV 8191 Expandable using special cleaning routines 2 Samples with incompatible solvents or cleaning agents

    Included accessories:2 (VAS 1/2) or 4 (VAS 1/4) measuring stands S 5 pre-con-figured control panel PVS 1 mounting plate for clear-view viscothermostats PV 24 software VAS on CD-ROM

    Necessary accessories: Control unit for CombiPAL connection sets with motor locks (suitable for glass capillary viscometers) various sample racks syringe rinsing station cleaning modules viscothermostat PV 24 Additional accessories: Insert filter syringe heating sample bottles 30/50 ml

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    Automatic sample preparation for polymer solutions These stations are based on the dosing units of Mettler-Toledo and are operated for PC-controlled solvent loading, e.g. in order to determine the limiting viscosity number (intrinsic viscosity and molecular mass) with programmable concentration levels. In this regard, special dilution visco-meters are used in viscothermostats equipped with magnetic stirrers (see from page 10).

    In connection with Mettler-Toledo XP-type laboratory balances and an additional software module, the preparation of well-defined polymer- solutions can be carried out quickly and safely via PC in a stand-alone dissolving station with just a few manual operations and without the com-mon and laborious weighing process. The proper, standards-compliant solution concentration is always automatically produced according to standards while taking the filler content into account.

    Special features:

    Automatic dilution series can be executed on up to four measuring stations simultaneously Specially developed RS 232 interface box Multiple dosing systems can be controlled via PC or plug-in board for PVS Can also be combined with VRM Can also be used in connection with integrated magnetic stirrers for in-situ sample preparation High-quality XP balance and special software mo- dule for gravimetric or volumetric dosing No influence on the solvent temperature and pre- thermostating not necessary Direct transfer of concentration and initial weight to the PVS software User navigation via high-resolution display on the balance Input of sample data via PC or barcode reader Multiple solvents can be added for different sample types

    Included accessories:Dosing units MT replaceable burets 20 ml RS 232 inter- face boxes with power adapter weighing balance XP 204 with dosing attachment and software module

    Necessary accessories:Hose sets and adapters for viscometer and weighing balance

    Additional accessories:Centrifuge barcode reader crushing pliers magnetic stirrer (heatable) funnel for granules

    Technical features Set 1 Set 2Total dosing systems1 1 2

    Viscosity range mm/s 0.5...20 0.5...20

    Dosing volumes ml 10100 ml 10100 ml

    Grain size dmax. mm 3 3

    Interface RS 232 C RS 232 C

    Balance1 XP-204 XP-204

    Cat. No. LMVZ 977 LMVZ 978 1 Technical data, see Mettler-Toledo documentation

  • Software based on Windows

    All PVS system configurations are controlled by a standard PC through an interface. In addition, the high-performance and user-friendly standard version of the PC program calculates the kinematic, dynamic, relative, re-duced and inherent viscosity and the K-value from the measured running times. Further key material figures can be determined using additional software modules.

    The user is given comprehensive support by the program. All parameters are entered on the PC via mouse-click and keyboard and transferred via the interface to the PVS system.

    The measuring results and evaluations can be printed out in the form of a log and saved in a file in ASCII format. The measurements report logs all measuring data on a day in chronological order and saves them in a file marked with the days date. This data can be viewed at all times which means that consistent documentation is guaranteed. Further processing in other programs, like MS Excel for example, and in other networks can be accomplished without any problems.

    Software basis:

    Windows software, runs on all conventional PCs and operating systems

    Parallel operation of up to eight measuring stations Calculation and display of: - Processing times and their mean values - Standard deviation - Kinetic energy correction (e.g. according to Hagenbach or ISO 1628/6) - Absolute kinematic viscosity - Absolute dynamic viscosity - Relative viscosity - Reduced viscosity (viscosity number) - Inherent viscosity (logarithmic viscosity number) - K-value according to Fickentscher

    Communication with preparation software and LIMS

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    Additional software modules:

    INV-DLL: Intrinsic viscosity of polymers (mean molar mass)

    VID-DLL: Viscosity index of oils ENZ-DLL: Reaction activities of specific enzymes (time dependence of the viscosity)

    TEMP-DLL: Setting and control of the thermostat temperature (temperature-dependence of the viscosity)

    Special version for VAS 1 sampler systems

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    PVS and iVisc accessories

    Cat. No. Description

    LMVZ 930 2-stands measuring plug-in ME 2

    LMVZ 932 Control plug-in for dilution series

    LDVM 2015 Software module INV DLL (intrinsic viscosity)

    LDVM 2016 Software module VID DLL (viscosity index according to ISO 2909)

    LDVM 2017 Software module ENZ DLL (enzyme activity)

    LDVM 2023 Software module TEMP DLL (temperature display and control)

    EKS 037 RS 232 connection cable, 1.5 m

    UK 230 Connection cable S 5, VRM, PVS

    Cat. No. Description

    HKA 001 Small connection cap, silicone

    HKA 002 Large connection cap, silicone

    HKB 532 Adapter MUO (for Micro-Ubbelohde and Micro-Ostwald)

    RKJ 014 Silicone tubing, 3x1.5 mm (unstable for H2SO4, silicone oil)

    RKJ 020 Viton tubing, 3x1.5 mm (unstable for acetone)

    LZB 011 Labosol S for viscometer cleaning, 1 liter

    LMC 001 Windows PC (type on request)

    LMC 003 Printer (type on request)

    EBK 008 Barcode reader

    Accessories for sample preparation

    Cat. No. Description

    EBK 016 Dosing unit MT

    EBK 017-1 Replacement buret for MT, 20 ml

    LMVZ 876 Control box MT

    UD 652 Valve unit for connecting up 2 dosing units

    UK 233 Connection cable for UD 652

    HKA 118 Large connection cap, Viton, for connecting to dosing unit

    EBK 006 Analytical balance Mettler XP 204

    LMVZ 976 Attachment for gravimetric dosing on XP 204

    Cat. No. Description

    EBK 010 Magnetic stirrer RT35, 35 positions

    EBK 013 Magnetic stirrer block MRH15, heated, 15 positions

    EBK 014 Centrifuge for separating filler materials

    EG 062 Sample bottles GL 32, 50 ml

    EZV 100 Screw caps GL 32

    EZ 195 PTFE stirrer, small

    LMVZ 930 LMVZ 932

    HKA 002 HKA 001 HKB 532

    LZB 011 EBK 008

    EBK 016, EBK 017-1 EBK 006

    EBK 014 EBK 013

    Plug-in boards and software

    Additional accessories

    Dissolving and filtering

    Dosing, dilution and initial weighing

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    VRM accessories

    Cat. No. Description

    LMRZ 909 Connection set 1 (only for viscometers with aspirating tube and screw connection) LMRZ 910 Connection set 2 (only for viscometers without aspirating tube)

    LMRZ 920 Connection set 6 (only for viscometers without aspirating tube and dilution viscometers)LMRZ 923 Connection set 9 (only for viscometers with aspirating tube and screw

    connection and at viscosities >100 mm/s)LMRZ 909 LMRZ 910

    Cat. No. Description

    LMRZ 904 For PV 15/PVL 15 (for 1 VRM)

    LMRZ 905 For PV 24/PVL 24 (for up to 2 VRM)

    LMRZ 906 For PV 36 (for up to 3 VRM)

    LMRZ 908 For ET 15 S/G (for 1 VRM)

    LMRZ 916 For ET 15 S/G (for up to 2 VRM)

    LMRZ 927 For Viscotemp 15/Viscotemp 24 (a fastening set is required for each VRM)

    Cat. No. Description

    EGP 012 Single-use syringe, 20 ml, 100 units

    EGZ 015 Steel needles for EGP 012, 100 units

    LMVZ 959 Filling tips PVDF, 100 units

    EG 060 Glass funnel for liquid samples

    HX 615 Funnel for granules

    UD 410 Filter insert for funnel EG 060

    UD 404 Filter for cleaning agent

    EG 058 Glass bottle GL 45, 1 liter

    EG 059 Glass bottle GL 45, 2 liter

    EG 064 Glass bottle GL 45, 5 liter

    LMRZ 907 Stopper for glass bottles

    EBK 019 Fill level monitoring set

    EBK 018 5-channel signal box

    EYS 014 Pane sensors, separate

    EKN 020 Extension cable, 3 m

    EKN 021 Extension cable, 5 m

    LMRZ 809 Suction pump VRP, for connecting to VRM modules

    EGP 012 + EGZ 015

    EG 058 EG 060

    Additional accessories

    Mounting sets for thermostats

    Connection sets and software For connecting a viscometer to a VRM module. One connection set is required for each viscometer.

    LMRZ 904 LMRZ 927

    EBK 019

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    Sampler accessories

    Cat. No. Description

    LMVZ 939 Sample rack PG 50, 35 positions

    LMVZ 946 Sample rack PGH 50, 24 positions max. 160 C LMVZ 969 Sample rack PGH 50 MR, 15 positions max. 200 C, with magnetic stirrer block

    EBK 013 EG 062 Sample bottles with thread GL 32 for PG 50, 50 ml

    EZV 100 Connection cap with hole, 1 for each EG 062

    EDF 122 Sealing rings for EZV 100, 50 units

    EDF 093 Small aluminum plates for EG 062, 1,000 units each

    Cat. No. Description

    LMVZ 947 Sample rack PG 30, 93 positions

    LMVZ 964 Sample rack PGH 30, 43 positions max. 160 C

    EG 066 Sample bottles with thread GL 32 for PG 30, 30 ml

    EZV 104 Connection cap with hole, 1 for each EG 066

    EDF 124 Sealing rings for EZV 104, 50 units

    EDF 092 Small aluminum plates for EG 066, 1,000 units

    Cat. No. Description

    EBE 038 Operating unit for VAS

    EBE 037 Heating block for dosing syringe UD 442 or UD 556

    LMVZ 958 Insert filter incl. 100 small filter plates EZ 209

    EZ 209 Small filter plates for LMVZ 958, 100 units

    LMVZ 157 Vacuum pump, controlled

    Cat. No. Description

    LMRZ 924 Connection set 3 (for viscometers with aspirating tube and screw connection)

    LMRZ 925 Connection set 5 (for viscometers without aspirating tube)

    UD 701-B Automatic sample locks 1 (included in LMRZ 924)

    UD 703-B Automatic sample locks 2 (included in LMRZ 925)

    LMRZ 902 Tubing set 1 (included in LMRZ 924)

    LMRZ 912 Tubing set 3 (included in LMRZ 925)

    Cat. No. Description

    LMVZ 970 Syringe rinsing station

    LMVZ 972 Syringe rinsing station (temperature-adjustable)

    UD 442 Dosing syringe for VAS 1

    UD 556 Dosing syringe for cartridge filter LMVZ 958

    UD 442-1 Dosing syringe for dichloroacetic acid, Titan, 5 ml

    EZ 261-1 Syringe protecting tube for dichloroacetic acid, Titan

    LMVZ 970

    UD 701-B UD 703-B

    LMVZ 939

    EBE 038 LMVZ 958 EZ 209

    UD 556

    LMVZ 947

    Dosing syringes

    Connection sets for cleaning modules

    Sample racks and accessories for 50 ml bottles

    Sample frames and accessories for 30 ml bottles

    Additional accessories

  • LAUDA TD

    Application examples

    Determining the aging of insulating oils via interfacial tension

    Inspection of cleaning water by determining the surface tension

    Characterization of surfactants for detergents and cosmetics

    The LAUDA TD tensiometers perform measurements with the Du Noy ring and Wilhelmy plate according to international standards. Thanks to the powerful load cell with significantly advanced measuring range, it is also possible to determine the densities according to the Archimedes principle as well as to measure small weights. The measuring table with sample plate can be moved smooth-ly without any jerking motions in order to, for example, place the Wilhelmy plate on the sam-

    ple surface or find the maximum force during ring measurement. The tensiometers come in a new design and are equipped with some unique technical features. As such, the worlds smallest thermostat, the LAUDA PTT Peltier thermostating unit can be easily incorporated into the device. Surface and interfacial tensi-ons can be easily measured, precisely and re-peatably calculated, displayed, printed, saved and transferred to the computer with a single keystroke.

    Compact, flexible, precise

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    Tensiometer for measuring surface and interfacial tension

  • Your benefits The TD advantages

    Compact, flexible, precise

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    Your advantages at a glance

    Integrable PTT Peltier thermostating unit with stirrer function

    External Pt100 probe

    Adjustable magnetic stirrer integrated

    Space-saving and very fast thermostating of the sample in the measuring instrument

    Temperature regulation in the sample liquid Display of the actual sample temperature Fast homogenization of the probe before

    measuring

    Automatic measurement value correction accor-ding to Zuidema and Waters

    No subsequent corrections necessary Researching in tables not necessary Display of the actual measured value in mN/m

    Automatic maximum detection Accurate recording of measurements No manual scanning necessary Repeat measurements without lamella break

    Granite base plate on the TD 3

    Level and adjustable feet

    Measured value stability through shock ab-sorption

    High stability Exact horizontal alignment

    The Command remote control Disruption-free operation during the measure-ment

    Everything at a glance Data storage included Intuitive user operation Measurement at the touch of a button

    Tensiometer for measuring surface and interfacial tension

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    s TD 1 CRing/Plate tensiometer In the large work area which can be accessed from all sides of the instru-ment, various conventional sample beakers with diameters up to 8 cm can be used. The thermostating of the sample can, for example, be done using the LAUDA PTT Peltier thermostating unit. On the high-resolution display of the Command remote control, the wetting force increase when removing the ring can be traced and the maximum force set without breaking the lamella. The value shown as the maximum is automatically corrected according to Zuidema and Waters and thus corresponds to the surface tension of the measured liquids in mN/m. At the touch of a button, the measured value, together with all the parameters, can be temporarily saved or exported directly to an optional logging printer.

    Ring/Plate tensiometer TD 1 C with Command remote control

    Technical features TD 1 C

    Mode: Surface/Interfacial tension mN/m Measurement range: 0...300 (ring method); Resolution 0.1

    Mode: Density measurement g/l Measurement range: 0...2,000; Resolution: 1

    Mode: Weight measurement mg Measurement range: 0...5,000; Resolution: 1

    Sample designation Numeric (0...999)

    Measurement value storage Results Max. 500, with date and time

    Table movement manual Using rotary knob

    Maximum detection Automatic

    Ring correction Automatic according to Zuidema and Waters

    Control and evaluation Command unit (control, display, documented data storage); printer (optional)

    Ambient temperature range C 10...40

    Power consumption W 10

    Dimensions (WxDxH) mm3 250x120x300

    Weight kg ca. 5.0

    Cat. No. 100240 V; 50/60 Hz LMT 847

    Special features:

    Advanced measurement area up to 300 mN/m or 5 g Automatic maximum detection Output of the measured values to optional printer at the touch of a button Automatic measurement value corrections accor- ding to Zuidema and Waters Semi-automatic calibration in three accuracy levels with calibration weights Input of ring/plate dimensions possible Storage of up to 500 measurement results with parameters Numeric, user-defined sample designation

    Included accessories:Measuring ring according to Du Noy (2-legged) calibration weight 500 mg plunger (glass) tweezers set of sample beakers (10 units) plastic case Command remote control Power adapter

    Additional accessories:PTT (Peltier thermostating unit with stirrer function) measu-ring ring according to Du Noy (4-legged) measuring plate according to Wilhelmy calibration weight with DKD certifi-cate 500 mg matrix printer

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    TD 3Ring/Plate tensiometer With the LAUDA TD 3, the measurement samples in the range from 5 to 80 C can be thermostated extremely quickly and conveniently with the smallest of space requirements. The tensiometer serves to determine the surface/interfacial properties of organic and inorganic liquids (liquid/liquid or liquid/gas), dispersions, and emulsions (among others, for developing surface active substances like surfactants and emulsifiers) as well as for confirming their presence in waste water and other water samples. The integrated micro-controller takes care of the table positioning, maximum recognition and measurement data correction for the user. The program repeats measurements until such a time as the measurement value stability as set by the user has been reached and then calculates the static surface or interfacial tension. The measurements can be executed completely in-dependently of the user and are more precise than the most important standards demand. As such, the equipment satisfies all of the requirements of the stringent GLP guidelines. In addition, both liquid density and low weights can be easily determined.

    Special features:

    Automatic maximum detection and maximum scanning Output of the measured values to optional printer or data transfer to PC via RS 232C Automatic measurement value corrections accor- ding to Zuidema and Waters Statistical check of the measurement value stability Storage of up to 500 measurement results with parameters Numeric, user-defined sample designation Granite base plate for vibration absorption and increasing stability Background lighting of the measuring chamber Waiting period prior to start of measurement can be programmed (ASTM D971)

    Technical features TD 3Mode: Interfacial tension mN/m Measurement range: 0...300 (ring method); 0...999 (plate method); Resolution: 0.01

    Mode: Density determining kg/m3 Measurement range: 0...2,000; Resolution: 1

    Mode: Weight determining mg Measurement range: 0...5,000; Resolution: 0.1

    Temperature range (PTT) C 580 (0.1)

    Magnetic stirrer Integrated into PTT, adjustable (10 levels)

    Table movement mm/s 0.11 (10 levels)

    Maximum detection Automatic

    Ring correction Automatic according to Zuidema and Waters

    Interface RS 232, Command remote control

    Control and evaluation Command unit (control, display, documented data storage) PC data transfer (optional); printer (optional)

    Ambient temperature range C 1040

    Power consumption W 10

    Dimensions (WxDxH) mm 245x205x335

    Weight kg 9.5

    Cat. No. 90240 V 50/60 Hz LMT 850

    Ring/Plate tensiometer TD 3 with Command remote control

    Included accessories:Measuring ring according to Du Noy (2-legged) calibration weight 500 mg plunger (glass) tweezers set of sample beakers (10 units) plastic case Command remote control power adapter

    Additional accessories:PTT (Peltier thermostating unit with stirrer function) measu-ring ring according to Du Noy (4-legged) measuring plate according to Wilhelmy calibration weight with DKD certifi-cate 500 mg matrix printer data transfer software for PC

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    TD accessories

    Cat. No. Description

    LMTZ 831 PTT Peltier thermostating unit with integrated magnetic stirrer

    HF 513 Holding plate for mounting to the TD 1 C

    EZ 265 PTFE Stirrer (included in LMTZ 831)

    HGH 188 Transparent plastic cover with opening (included in LMTZ 831)

    UD 711 Pt100 temperature probe (included in LMTZ 831)

    Command remote control

    The practical LAUDA Command remote control has a large display and can be operated without any lengthy instruction. It enables the remote operation of the TD 1 C and TD 3, e.g. outside of an fume hood and pre-vents disruptive repercussions on the measuring unit during input.

    Easy selection of the measuring method Direct selection of the